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Rick, I don't have a lathe like yours but looks to me that the spring and ball would be put it the blind hole and a pin pushed in from the thru hole side to depress the ball while sliding it over the

??? So I don't have one of these lathes so I'm tryin to match the parts list with yer pics? . So on the black part ya show with the 2 boss's , one on each side only one of those holes is a through

Neither.? Only one ball, total.? That one ball is shifted from the inner groove on the spindle to the outer groove when the drive coupler is moved from the "engaged" position locking the spindle

is there a ball on each end of the spring ? or is there a ball for each groove on the? spindle in the 7th pic ? animal

Found a better end mill, more full diameter shank, if I remove the plastic ring.

In the 2006 post, there was mention of possible wear on the dog teeth as the reason for the disengagement.? I've dealt with this on the helical bevel gears mentioned above, so I thought, sure that

Parts 26-31 are the back gear engagement mechanism.? I'm having trouble seeing how this could be the issue because it is fully disengaged (in the down ... and out position).? What is happening is on

??? ??? The parts list & dwg are not of much help trying to see how it works . There is a eccentric involved . Page 13 upper right # 26-31

When I got my 10" TH-42 lathe I bought an inexpensive set of MT-3 collets with a draw bar from Shars of Little Machine Shop. I think there are 6 or 8 fractional size collets in the set. That should be

Regarding doing anything with the spring, stretching or replacing, getting it out and being able to get it back together appear to be the unknown. There is only one ball detent.? I expected to find

??? ??? Have ya tried stretching the spring out some ? Some hardware stores have a pretty good selection of springs , ya may be able to match one up or maybe get close . ??? animal

I wish you were closer. I really like the 7403. I have one with a 8ft bed that I'm putting I beam under right now? and boy do I wish I could have found that 7403 before I started this. I've got so

The drive coupler, which when engaged locks the spindle pulley to the spindle and when disengaged free it so the back gear can be engaged.? When operating, particularly at the higher speeds, the

I'm preparing to move and need to downsize my shop a bit.??I'm selling my Atlas-Craftsman 101-07301 6"x18" lathe and my 101-07403 12"x36" lathe as well as two Clausing mills.? I'm cleaning the

? NORTH CAROLINA Surplus Property has a Hardig tool room lathe in their on line auction with collets last night was at $850 iirc.

I'm sure they won't be anything great but I just need something to hold mill bits without slipping and this seems to be the cheapest option with that many holders that comes with it, I will be able to

I'm going to be awaiting your reports on the quality of the collet set if/when you get one.? $60 for a set like that seems almost too inexpensive--but I'm hopeful, because that would be within my

I did find a collet that fits into mt3 and it comes with ER32 spring collets 13 pieces in all for 60.00 on Amazon. I think that'll work. I did find a welder mill holder but they wanted 32 dollars for

Most of the time it's 1/8" keyway but once in a while I'll make a 3/16 keyway when I need extra holding power on a jack shaft or gear bar also thanks for info I'll go to Amazon right now it's been a

I think the real name for those is a Weldon End Mill Holder , Dave can probably confirm that . YA can get those by the size or set . Pretty sure my set came from Amazon . Yer gonna want to make a